spdif (optical/toslink) only supports two physical channels. That can be used for stereo PCM or compressed AC3 (DDP) or DTS passthrough.SzaChe wrote: Can you give me some instruction how can i use usb 5.1 sound card? I've used it with computer, butit wasnt big deal to configure it. With Rpi 3 i have major issues, if i change sound output to 5.1 usb kodi cannot play any sound.
Do you know if these support CEC passthrough?loadbang wrote: ↑Thu Mar 16, 2017 8:58 pmI just use a HDMI to toslink converter. Also has HDMI passthru.
https://www.amazon.co.uk/s/ref=nb_sb_ss ... 2F0O11PQUN
RPi also powers these devices via HDMI, so no need for an external PSU.
I use this one: https://www.amazon.co.uk/Converter-Adap ... to+toslink
Just set it to 5.1 audio on the device (there is a switch) as it sets EDID to tell the RPi it is connected to a device which supports 5.1 (DTS or DD work). Set Kodi, VLC or whatever to output as 'passthru'.
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